幹線結合器

かんせんけつごうき

noun

•

trunk coupling unit, trunk connecting unit, TCU(computer term)

幹	tree trunk, main part, talent, capability
線	line, track
結	tie, bind, contract, join, organize, do up hair, fasten
合	fit, suit, join, 0.1
器	utensil, vessel, receptacle, implement, instrument, ability, container, tool, set